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“oxygen is needed in order for combustion to occur....
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When the water vapor cools it condenses select a number that represents his process on the
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The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles
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Helium decays to form lithium. which equation correctly describes this decay?
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Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules
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